# $D s$ decays to $η$ and $η^prime$ final states: a phenomenological analysis

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We consider the semileptonic and nonleptonic $D s$ decay modes to final states with $\eta$ and $\eta^\prime$. We use QCD sum rules to determine the $D s \to \eta$ form factor $f +^\eta$, and a generalized factorization ansatz to compute nonleptonic decays. We propose a parameterization of possible OZI suppressed contributions producing the \$\eta^\p

Author: P. Colangelo; F. De Fazio

Source: https://archive.org/